I like that this thread is entirely based on a premise that ensures nobody looks like a jerk for not reading the whole thread. Yet, people will still want to post. A rather rare combination.
1) An infinite mental storage capacity with a variable processing rate that can reach instantaneous speed and is immune to all temporal paradoxes, schizoid personality conditions or any external modification aside from my own actions as long as they are not being forced by another being (including mind control, drug-induced hallucinations, endangerment of friends and family, etc.)
Seriously, we're going to have a whole bunch of senile, decrepit flying bricks if nobody else picks this power. Not to mention that without the fast processing you're still going to get retarded as the years press on unless you start clearing out pantloads of information.
2) Instantaneous voluntary physical recombination through time and space with no limits on mass, volume or contiguity, again immune to all external modifications from other beings or actions I undertake as forced by another being or via temporal paradoxes, all unified and controlled by my consciousness. Includes a fun, handy dandy alarm clock that gets set off under the condition that I'm frozen in time (if I'm just slow I can still start that sucker up; after all, my mind can move infinitely fast), somehow knocked unconscious, entirely physically annihilated or fail to voluntarily assert to it after two weeks that I don't want to get beamed up, which instantaneously teleports me into a handy dandy complete self-contained and impenetrable-except-via-the-use-of-my-powers-because-I-made-it-and-can-unmake-it biodome in a random location in intergalactic space after the big bang and before the destruction of the universe, my own body physically re-configured to the specifications of myself, as a conscious human with access to all my mental faculties, in a human-supporting environment in said biodome.
I hate to say it but this is basically doc Manhattan's power, except through time too. Why would I want this power? Um...trapped in a star somehow/evil supervillain magically figures out a weakness and disassembles me because they suck, etc. End of the universe as we know it and I get caught with my pants down. Black hole. Aging. Not having six arms whenever I want to simultaneously play three pianos. Getting Jesus to build me a bookcase. Why every couple weeks? Um...supervillains are a-holes. My very existence would probably piss somebody off so bad they would want to kill me, annihilate me or whatever the verb for making me never have existed would be. So what if I get destroyed at that point, just when my one true foe has me on the ropes, or I somehow get incinerated and scattered to the four winds? I just come back instantaneously or at worst within two weeks somewhere else in time and space, re-form the night my supervillan foe was conceived and taze said foe's dad in the balls.
3) Immunity to reverse-engineering, duplication, or any other process by which another person could gain my powers or figure out how to gain my powers.
Seriously. Aint nobody dope as me.
4) Ability to remove the powers of anyone else, super powers or otherwise, without my powers being removable by any other being.
No supe for you! *rimshot*